QUESTION 32 The experiments that clearly distinguished DNA and not protein as the hereditary material were conducted by, O a. Avery O b.Griffith OC. Watson and Crick O d. Pauling O e. Hershey and Chase QUESTION 33 If a mixture of bacteriophages, some labeled with radioactive sulfur and others labeled with radioactive phosphorus, is placed in a bacterial culture, the bacteria will eventually contain O a. neither radioactive sulfur nor radioactive phosphorus O b. primarily radioactive phosphorus O C. primarily radioactive sulfur O d.complete viruses with radioactive sulfur coats O e. both radioactive sulfur and phosphorus

QUESTION 32 The experiments that clearly distinguished DNA and not protein as the hereditary material were conducted by, O a. Avery O b.Griffith OC. Watson and Crick O d. Pauling O e. Hershey and Chase QUESTION 33 If a mixture of bacteriophages, some labeled with radioactive sulfur and others labeled with radioactive phosphorus, is placed in a bacterial culture, the bacteria will eventually contain O a. neither radioactive sulfur nor radioactive phosphorus O b. primarily radioactive phosphorus O C. primarily radioactive sulfur O d.complete viruses with radioactive sulfur coats O e. both radioactive sulfur and phosphorus

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question 19 Match the following techniques with their purpose PCR Protein-protein interaction A. DNA amplification DNA sequencing CRISPR/Cas В. v Sanger dideoxy method C. Two hybrid method Protein localization D. GFP-tagging E. DNA editing
QUESTION 27 Microtubules are made of tubulin. When tubulin is bound to GTP, it has a higher affinity for other tubulin molecules, so microtubules grow. When tubulin is bound to GDP, the affinity is lower so microtubules shrink. We would say that tubulin is regulated by O Ubiquitylation O Phosphorylation O Small molecule binding O Protein-protein interactions
Question 17 R plasmids are found inside specific bacteria. What advantage does an R plasmid confer? O It is capable of a higher frequency of recombination than bacterial cells without an R plasmid. It is capable of incorporating foreign DNA from its surroundings. It contains genes for resistance to antibiotics. It has the genes necessary to build a conjugation pilus.
QUESTION 12 This experiment used radilobeled T4 phage to determine the genetic material. a. Pavlov's b. Anfinsen's C. Hershey-Chase's d. Avery-Macleod's
QUESTION 22 During the search for the Cystic Fibrosis (CF) gene the investigators used various criteria to conclude that they had arrived at a segment that represented a gene. Which of the properties below was among the criteria used by the investigators? O A. the presence of sequence palindromes O B. gene-specific restriction maps O C. interspecies sequence conservation O D. polyadenylation signals O E. the presence of AT-rich islands QUESTION 23 A feature common to activation of the myc oncogene by both the Avian Leukosis virus and the chromosomal 8:14 translocation is: O A. loss of the 1st myc exon (E1); initiation of transcription from a start site within the myc intron O B. Initiation of transcription from a strong promoter upstream from the first myc exon (E1) O C.A fusion transcript between an active upstream gene and the three myc exons O D.A DNA deletion that eliminates the transcriptional termination signal from an active upstream gene. O E. Recombination between the myc…
QUESTION 15 The researchers Hershey and Chase conducted an experiment where they radioactively labeled the proteins of a T2 phage with 35S. In a separate treatment, they labeled the DNA of a T2 phage with 32p. They allowed the labeled T2 phage to infect E. coli and then agitated the cells so that the phage would fall off of the cells. The cells were then spun down to the bottom of the tubes. When the proteins were labeled, did the researchers see radioactivity in the pelleted cells or the supernatant (liquid on top of pellet)? When the DNA was labeled, did the researchers see radioactivity in the pelleted cells or the supernatant? What conclusion did Hershey and Chase draw from this experiment?
QUESTION 45 Gene edits can be made to Eukaryotic DNA by using a complex composed of: Progenitor cell and 4 master regulatory genes Cyclic AMP and CRP protein Ubiquitin protein and CRISPR Guide RNA and Cas 9 protein Histone proteins and methyl groups, QUESTION 46 Click Saye and
QUESTION 9 Complementary strands in DNA double are defined by: а. a. jonic interactions H bonds С. C. hydrophobic interactions Od. base stacking